window.onload = async function () {
  const res = await axios({
    url: '/dashboard',
    method: 'get',
  })
  console.log('res:', res)
  const {
    data: { overview },
  } = res
  // document.querySelector('span[name=salary]').innerHTML = overview.salary
  // document.querySelector('span[name=student_count]').innerHTML =
  //   overview.student_count
  // document.querySelector('span[name=group_count]').innerHTML =
  //   overview.group_count
  // document.querySelector('span[name=age]').innerHTML = overview.age

  for (let key in overview) {
    document.querySelector(`span[name=${key}]`).innerHTML = overview[key]
  }

  initYearChart(res.data.year)
  initClassChart(res.data.salaryData)
  initTeamChart(res.data.groupData)
  initMapChart(res.data.provinceData)
  initoneChart(res.data.salaryData)
}

const initYearChart = (data) => {
  const myEchart = echarts.init(document.querySelector('#line'))
  myEchart.setOption({
    // X轴的内容修改
    xAxis: {
      type: 'category',
     
      data: data.map((item) => item.month),
      //设置坐标轴轴线样式（颜色和虚线）
      axisLine: {
        lineStyle: {
          color: '#ccc',
          type: 'dashed',
        },
      },
      //坐标轴标签的颜色
      axisLabel: {
        color: '#999',
      },
    },
    // 鼠标移动出现提示
    tooltip: {
      trigger: 'axis',
    },
    // Y轴的内容修改
    yAxis: {
      type: 'value',
      //分隔线的样式
      splitLine: {
        lineStyle: {
          type: 'dashed',
        },
      },
    },
    // 设置标题
    title: {
      text: '2021全学科薪资走势',
      top: 15,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    // 直角坐标系内绘图网格
    grid: {
      top: '20%',
    },
    // linear-gradient(135deg, #6f42c1 0%, #4582EC 100%)
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 1,
        y2: 0,
        colorStops: [
          {
            offset: 0,
            color: '#499FEE', // 0% 处的颜色
          },
          {
            offset: 1,
            color: '#5D75F0', // 100% 处的颜色
          },
        ],
      },
    ],
    series: [
      {
       
        data: data.map((item) => item.salary),
        type: 'line',
        smooth: true,
        lineStyle: {
          width: 6,
        },
        symbolSize: 10,
        areaStyle: {
          // 设置区域的渐变颜色
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
            {
              offset: 0,
              color: '#499FEE',
            },
            {
              offset: 0.8,
              color: 'rgba(255,255,255,0.2)',
            },
            {
              offset: 1,
              color: 'rgba(255,255,255,0)',
            },
          ]),
        },
      },
    ],
  })
}

const initClassChart = (data) => {
  const myEchart = echarts.init(document.querySelector('#salary'))
  myEchart.setOption({
    tooltip: {
      trigger: 'item',
    },
    title: {
      text: '班级薪资分布',
      top: 15,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    legend: {
      bottom: '6%',
      left: 'center',
    },
    series: [
      {
        name: '班级薪资分布',
        //设置图标样式
        type: 'pie',
        //半径:radius
        radius: ['50%', '64%'],
        //中心点坐标
        center: ['50%', '45%'],
        avoidLabelOverlap: false,
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2,
        },
        label: {
          show: false,
          position: 'center',
        },
        
        labelLine: {
          show: false,
        },
        data: data.map((item) => {
          return {
            name: item.label,
            value: item.g_count + item.b_count,
          }
        }),
      },
    ],
  })
}

const initTeamChart = (data) => {
  console.log(data)
  const myEchart = echarts.init(document.querySelector('#lines'))
  let option = {
    grid: {
      left: 70,
      top: 30,
      right: 30,
      bottom: 50,
    },
    xAxis: {
      type: 'category',
      // data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun', 'ooi'],
      data: data[1].map((item) => item.name),
      axisLine: {
        lineStyle: {
          color: '#ccc',
          type: 'dashed',
        },
      },
      axisLabel: {
        color: '#999',
      },
    },
    yAxis: {
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed',
        },
      },
    },
    tooltip: { trigger: 'item' },
    color: [
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#34D39A', // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(52,211,154,0.2)', // 100% 处的颜色
          },
        ],
      },
      {
        type: 'linear',
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#499FEE', // 0% 处的颜色
          },
          {
            offset: 1,
            color: 'rgba(73,159,238,0.2)', // 100% 处的颜色
          },
        ],
      },
    ],
    series: [
      {
        data: data[1].map((item) => item.hope_salary),
        type: 'bar',
        name: '期望薪资',
      },
      {
        data: data[1].map((item) => item.salary),
        type: 'bar',
        name: '就业薪资',
      },
    ],
  }
  myEchart.setOption(option)
  const btns = document.querySelector('#btns')

  btns.addEventListener('click', (e) => {
    //事件委托
    if (e.target.tagName === 'BUTTON') {
      //排他思想
      btns.querySelector('.btn-blue').classList.remove('btn-blue')
      e.target.classList.add('btn-blue')
      //确定获取的是哪一组的数据
      const group = e.target.innerText
      // 切换数据
      option.xAxis.data = data[group].map((item) => item.name)
      option.series[0].data = data[group].map((item) => item.hope_salary)
      option.series[1].data = data[group].map((item) => item.salary)
      myEchart.setOption(option)
    }
  })

  // btns.addEventListener('click', (e) => {
  //   // 事件委托
  //   if (e.target.tagName === ' BUTTON') {
  //     // 判断我有没有这个类名有就全部删掉没有就加上

  //     btns.querySelector('.btn-blue').classList.remove('btn-blue')
  //     e.target.classList.add('btn-blue')
  //     // 获取的内容用变量接收
  //     const group = e.target.innerHTML
  //     // 修改数据
  //     option.xAxis.data = data[group].map((item) => item.name)
  //     // console.log(item.name)
  //     option.series[0].data = data[group].map((item) => item.hope_salary)
  //     option.series[1].data = data[group].map((item) => item.salary)
  //     myEchart.setOption(option)
  //   }
  // })
}

const initoneChart = (data) => {
  console.log(data)
  const myEchart = echarts.init(document.querySelector('#gender'))
  myEchart.setOption({
    tooltip: {
      trigger: 'item',
    },
    title: [
      {
        text: '班级薪资分布',
        top: 15,
        left: 10,
        textStyle: {
          fontSize: 16,
        },
      },
      {
        text: '男生',
        top: '45%',
        left: '43%',
        textStyle: {
          fontSize: 16,
        },
      },
      {
        text: '女生',
        bottom: 25,
        left: '43%',
        textStyle: {
          fontSize: 16,
        },
      },
    ],

    series: [
      {
        name: '班级薪资分布',
        //设置图标样式
        type: 'pie',
        //半径:radius
        radius: ['30%', '40%'],
        //中心点坐标
        center: ['50%', '25%'],
        avoidLabelOverlap: false,
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2,
        },
        label: {
          show: true,
          position: 'outside',
        },
     
        labelLine: {
          show: true,
        },
        data: data.map((item) => {
          return {
            name: item.label,
            value: item.b_count,
          }
        }),
      },
      {
        name: '班级薪资分布',
        //设置图标样式
        type: 'pie',
        //半径:radius
        radius: ['30%', '40%'],
        //中心点坐标
        center: ['50%', '70%'],
        avoidLabelOverlap: false,
        itemStyle: {
          borderRadius: 10,
          borderColor: '#fff',
          borderWidth: 2,
        },
        label: {
          show: true,
          position: 'outside',
        },
     
        labelLine: {
          show: true,
        },
        data: data.map((item) => {
          return {
            name: item.label,
            value: item.g_count,
          }
        }),
      },
    ],

    
  })
}

const initMapChart = (provinceData) => {
  const myEchart = echarts.init(document.querySelector('#map'))
  const dataList = [
    { name: '南海诸岛', value: 0 },
    { name: '北京', value: 0 },
    { name: '天津', value: 0 },
    { name: '上海', value: 0 },
    { name: '重庆', value: 0 },
    { name: '河北', value: 0 },
    { name: '河南', value: 0 },
    { name: '云南', value: 0 },
    { name: '辽宁', value: 0 },
    { name: '黑龙江', value: 0 },
    { name: '湖南', value: 0 },
    { name: '安徽', value: 0 },
    { name: '山东', value: 0 },
    { name: '新疆', value: 0 },
    { name: '江苏', value: 0 },
    { name: '浙江', value: 0 },
    { name: '江西', value: 0 },
    { name: '湖北', value: 0 },
    { name: '广西', value: 0 },
    { name: '甘肃', value: 0 },
    { name: '山西', value: 0 },
    { name: '内蒙古', value: 0 },
    { name: '陕西', value: 0 },
    { name: '吉林', value: 0 },
    { name: '福建', value: 0 },
    { name: '贵州', value: 0 },
    { name: '广东', value: 0 },
    { name: '青海', value: 0 },
    { name: '西藏', value: 0 },
    { name: '四川', value: 0 },
    { name: '宁夏', value: 0 },
    { name: '海南', value: 0 },
    { name: '台湾', value: 0 },
    { name: '香港', value: 0 },
    { name: '澳门', value: 0 },
  ]
  provinceData = JSON.parse(
    JSON.stringify(provinceData).replace(/省|自治区|维吾尔|回族|壮族/g, '')
  )
  let option = {
    title: {
      text: '籍贯分布',
      top: 10,
      left: 10,
      textStyle: {
        fontSize: 16,
      },
    },
    tooltip: {
      trigger: 'item',
      formatter: '{b}: {c} 位学员',
      borderColor: 'transparent',
      backgroundColor: 'rgba(0,0,0,0.5)',
      textStyle: {
        color: '#fff',
      },
    },
    visualMap: {
      min: 0,
      max: 6,
      left: 'left',
      bottom: '20',
      text: ['6', '0'],
      inRange: {
        color: ['#ffffff', '#0075F0'],
      },
      show: true,
      left: 40,
    },
    geo: {
      map: 'china',
      roam: false,
      zoom: 1.0,
      label: {
        normal: {
          show: true,
          fontSize: '10',
          color: 'rgba(0,0,0,0.7)',
        },
      },
      itemStyle: {
        normal: {
          borderColor: 'rgba(0, 0, 0, 0.2)',
          color: '#e0ffff',
        },
        emphasis: {
          areaColor: '#34D39A',
          shadowOffsetX: 0,
          shadowOffsetY: 0,
          shadowBlur: 20,
          borderWidth: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)',
        },
      },
    },
    series: [
      {
        name: '籍贯分布',
        type: 'map',
        geoIndex: 0,
        data: provinceData,
      },
    ],
  }
  myEchart.setOption(option)
}